Year % of GDP 2005 0 2006 0 2007 0 2008 0 2009 0 2010 0 2011 0 2012 0 2013 0 2014 0 2015 0 2016 0 2017 0 2018 0 2019 0 2020 0.007246464795725379 2021 0.006375508634421351 2022 0.005216685596881568 2023 0.013220262234120669